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Video Fundamentals

Before we can talk about tape formats, cabling and connectors, or capture settings, you have to understand the basics of the video signal. From our digital vantage point of 2005, a lot of video’s technical details look downright nonsensical: what’s with 59.94 Hz, 7.5 IRE setup, and dot-crawl? Yet they all resulted from careful design decisions made back in analog days, and most (if not all) make perfect sense once you know their background.

When you know how an image is structured, and how it’s broken down for storage and transmission, you’ll be able to choose the right kinds of connections for moving pictures around, and be able to diagnose arcane but common problems associated with interlacing and field order.


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